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Re: [PATCH -v8 2/4] Update ctime and mtime for memory-mapped files

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From: Linus Torvalds <torvalds@...>
To: Anton Salikhmetov <salikhmetov@...>
Cc: <linux-mm@...>, <jakob@...>, <linux-kernel@...>, <valdis.kletnieks@...>, <riel@...>, <ksm@...>, <staubach@...>, <jesper.juhl@...>, <a.p.zijlstra@...>, <akpm@...>, <protasnb@...>, <miklos@...>, <r.e.wolff@...>, <hidave.darkstar@...>, <hch@...>
Subject: Re: [PATCH -v8 2/4] Update ctime and mtime for memory-mapped files
Date: Wednesday, January 23, 2008 - 2:03 pm

On Wed, 23 Jan 2008, Anton Salikhmetov wrote:

Ok, this one I'm applying. I agree that it leaves MS_ASYNC not updating 
the file until the next sync actually happens, but I can't really bring 
myself to care at least for an imminent 2.6.24 thing. The file times are 
actually "correct" in the sense that they will now match when the IO is 
done, and my man-page says that MS_ASYNC "schedules the io to be done".

And I think this is better than we have now, and I don't think this part 
is somethign that anybody really disagrees with.

We can (and should) keep the MS_ASYNC issue open.

		Linus
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Messages in current thread:
[PATCH -v8 0/4] Fixing the issue with memory-mapped file times, Anton Salikhmetov, (Tue Jan 22, 7:21 pm)
[PATCH -v8 4/4] The design document for memory-mapped file t..., Anton Salikhmetov, (Tue Jan 22, 7:21 pm)
Re: [PATCH -v8 4/4] The design document for memory-mapped fi..., Randy Dunlap, (Fri Jan 25, 12:27 pm)
Re: [PATCH -v8 4/4] The design document for memory-mapped fi..., Anton Salikhmetov, (Fri Jan 25, 12:40 pm)
Re: [PATCH -v8 4/4] The design document for memory-mapped fi..., Miklos Szeredi, (Wed Jan 23, 5:26 am)
Re: [PATCH -v8 4/4] The design document for memory-mapped fi..., Anton Salikhmetov, (Wed Jan 23, 6:37 am)
Re: [PATCH -v8 4/4] The design document for memory-mapped fi..., Miklos Szeredi, (Wed Jan 23, 6:53 am)
Re: [PATCH -v8 4/4] The design document for memory-mapped fi..., Miklos Szeredi, (Wed Jan 23, 7:16 am)
Re: [PATCH -v8 4/4] The design document for memory-mapped fi..., Anton Salikhmetov, (Wed Jan 23, 8:25 am)
Re: [PATCH -v8 4/4] The design document for memory-mapped fi..., Miklos Szeredi, (Wed Jan 23, 9:55 am)
[PATCH -v8 1/4] Massive code cleanup of sys_msync(), Anton Salikhmetov, (Tue Jan 22, 7:21 pm)
[PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys_msy..., Anton Salikhmetov, (Tue Jan 22, 7:21 pm)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Linus Torvalds, (Wed Jan 23, 1:05 pm)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Nick Piggin, (Wed Jan 23, 9:36 pm)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Matt Mackall, (Thu Jan 24, 2:56 pm)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Peter Zijlstra, (Wed Jan 23, 1:41 pm)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Linus Torvalds, (Wed Jan 23, 3:35 pm)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Miklos Szeredi, (Wed Jan 23, 3:55 pm)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Linus Torvalds, (Wed Jan 23, 5:00 pm)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Miklos Szeredi, (Wed Jan 23, 5:16 pm)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Linus Torvalds, (Wed Jan 23, 5:36 pm)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Miklos Szeredi, (Wed Jan 23, 8:05 pm)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Linus Torvalds, (Wed Jan 23, 8:11 pm)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Hugh Dickins, (Wed Jan 23, 6:29 pm)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Linus Torvalds, (Wed Jan 23, 6:41 pm)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Hugh Dickins, (Wed Jan 23, 8:03 pm)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Anton Salikhmetov, (Wed Jan 23, 1:26 pm)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Miklos Szeredi, (Wed Jan 23, 5:41 am)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Peter Zijlstra, (Wed Jan 23, 4:47 am)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Anton Salikhmetov, (Wed Jan 23, 8:53 am)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Peter Zijlstra, (Wed Jan 23, 4:51 am)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Miklos Szeredi, (Wed Jan 23, 5:34 am)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Miklos Szeredi, (Wed Jan 23, 5:51 am)
Re: [PATCH -v8 3/4] Enable the MS_ASYNC functionality in sys..., Anton Salikhmetov, (Wed Jan 23, 9:09 am)
[PATCH -v8 2/4] Update ctime and mtime for memory-mapped files, Anton Salikhmetov, (Tue Jan 22, 7:21 pm)
Re: [PATCH -v8 2/4] Update ctime and mtime for memory-mapped..., Linus Torvalds, (Wed Jan 23, 2:03 pm)
Re: [PATCH -v8 2/4] Update ctime and mtime for memory-mapped..., Anton Salikhmetov, (Wed Jan 23, 7:14 pm)